#!/bin/bash

#这里可替换为你自己的执行程序,其他代码无需更改
APP_NAME=/home/ubuntu/tsy/java-tsy/target/graduate-0.0.1-SNAPSHOT.jar
LOG_NAME=/var/tsy/runtime.out
JAVA_HOME=/usr/lib/jvm/java-8-oracle
export PATH=$JAVA_HOME/bin:$PATH

#使用说明,用来提示输入参数
usage() {
  echo "Usage: sh 执行脚本.sh [start|stop|restart|status]"
  exit 1
}

#检查程序是否在运行
is_exist(){
  pid=`ps -ef|grep $APP_NAME|grep -v grep|awk '{print $2}' `
  #如果不存在返回1,存在返回0
  if [ -z "${pid}" ]; then
    return 1
  else
    return 0
  fi
}

#启动方法
start(){
  is_exist
  if [ $? -eq "0" ]; then
    echo "${APP_NAME} is already running. pid=${pid} ."
  else
   # nohup java -jar  -Xmx4g -Xms4g -Xmn1g -XX:MetaspaceSize=128m -XX:MaxMetaspaceSize=128m -XX:SurvivorRatio=4 -XX:-UseCompressedOops -XX:+UseConcMarkSweepGC  -XX:MaxTenuringThreshold=15 -XX:TargetSurvivorRatio=90 -XX:CMSMaxAbortablePrecleanTime=5000 -XX:+UseCMSCompactAtFullCollection -XX:+CMSClassUnloadingEnabled -XX:CMSInitiatingOccupancyFraction=75 -XX:+UseCMSInitiatingOccupancyOnly -XX:+DisableExplicitGC -XX:+DoEscapeAnalysis -XX:-UseCompressedOops  -verbose:gc -XX:+PrintGCTimeStamps -XX:+PrintHeapAtGC -XX:+PrintGCDetails -Xloggc:{$dir}/tomcat/logs/gc.log -XX:+HeapDumpOnOutOfMemoryError -Djava.io.tmpdir=/tmp -XX:HeapDumpPath={$dir}/tomcat/logs/oom.heapdump   $APP_NAME -Dspring.profiles.active=prod  > $LOG_NAME 2>&1 &
    nohup java -jar $APP_NAME  > $LOG_NAME 2>&1 &

    echo "${APP_NAME} starting..."
  fi
}

#停止方法
stop(){
  is_exist
  if [ $? -eq "0" ]; then
    kill -9 $pid
    echo "${APP_NAME} stoped!"
  else
    echo "${APP_NAME} is not running"
  fi
}

#输出运行状态
status(){
  is_exist
  if [ $? -eq "0" ]; then
    echo "${APP_NAME} is running. Pid is ${pid}"
  else
    echo "${APP_NAME} is NOT running."
  fi
}

#重启
restart(){
  stop
  start
}

#根据输入参数,选择执行对应方法,不输入则执行使用说明
case "$1" in
  "start")
    start
    ;;
  "stop")
    stop
    ;;
  "status")
    status
    ;;
  "restart")
    restart
    ;;
  *)
    usage
  ;;
esac